3′-Bromoacetophenone
3′-Bromoacetophenone (CAS 2142-63-4), with the molecular formula BrC₆H₄COCH₃ and a molecular weight of 199.04 g/mol, is a valuable ketone intermediate. This compound is primarily utilised in organic synthesis as a building block for more complex molecules. Its electrophilic carbonyl group and reactive aryl bromide functionality make it a versatile reagent in various chemical transformations, particularly in the development of pharmaceutical intermediates and specialty chemicals.
- IUPAC
- 1-Acetyl-3-bromobenzene
- Synonyms
- 1-Acetyl-3-bromobenzene

Organic Synthesis Intermediate
3′-Bromoacetophenone serves as a key building block in the synthesis of various organic compounds. Its structure allows for diverse reactions, including nucleophilic additions to the carbonyl and substitution reactions at the aryl bromide position.
Pharmaceutical Intermediate Development
The compound is employed in the multi-step synthesis of active pharmaceutical ingredients (APIs). Its incorporation into synthetic routes can introduce specific structural motifs required for biological activity.
Research and Development
In research laboratories, 3′-Bromoacetophenone is used to explore novel chemical pathways and develop new materials. Its predictable reactivity makes it a reliable reagent for academic and industrial R&D.
| Molecular weight | 199.04 |
|---|---|
| Linear formula | BrC6H4COCH3 |
| Assay | 98% |
| Grade | ReagentPlus® |
| Density | 1.505 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.576(lit.) |
| Melting point | 8-11 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 112 °C / 233.6 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3′-Bromoacetophenone used for?
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3′-Bromoacetophenone is primarily used as a building block and intermediate in organic synthesis, particularly for the development of pharmaceutical intermediates and in chemical research.
What is the CAS number and molecular formula for 3′-Bromoacetophenone?
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The CAS number for 3′-Bromoacetophenone is 2142-63-4, and its linear molecular formula is BrC₆H₄COCH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3′-Bromoacetophenone with a minimum assay of 98% in ReagentPlus® grade. We do not represent this product as USP, BP, or EP grade.
How should 3′-Bromoacetophenone be handled safely?
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3′-Bromoacetophenone is a warning-level irritant (H315, H319, H335). Handle with appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. Avoid breathing dust/fume/gas/mist/vapours/spray.
How is 3′-Bromoacetophenone packed and exported?
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Tech Serve Solutions carefully packs and exports chemicals, adhering to all necessary regulations to ensure safe transit and delivery worldwide. Please contact us for specific packaging and shipping details for your region.
How can I request a sample or quote for 3′-Bromoacetophenone?
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To request a sample or a quote for 3′-Bromoacetophenone, please use the contact form on our website or reach out to our sales team directly.
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